A food chain is a linear sequence of links in a food web starting from a trophic species that eats no other species in the web and ends at a trophic species that is eaten by no other species in the web.

B.

is the source of energy for nearly all life on earth, either directly, through primary production, or indirectly, as the ultimate source of the energy in their food

C.

is an indirectly observed quantity. It is often understood as the ability a physical system has to do work on other physical systems.

D.

is subject to the law of conservation of energy. According to this law, energy can neither be created (produced) nor destroyed by itself. It can only be transformed.

4.

Life is like. . .a box of crayons,a roller coaster,a bowl of cherries, a hurricane.
What kind of figure of speech is the example above?

A.

personification

B.

irony

C.

simile

D.

hyperbole

5.

1 2/3 is equal to ?

A.

5/3

B.

4/5

C.

3/5

D.

1/2

6.

The structure of the government in the Philippines that is headed by the President.